{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["instrument agency", "product producer", "content container", "cause effect"], "input": "the clarinet developed from the recorder family , and is closely related to the saxophone ."}
{"instrument agency": [], "product producer": [], "content container": [], "cause effect": []}